DAYTONA BEACH, Florida -- The reaction to Saturday's horrific last-lap wreck in the DRIVE4COPD 300 Nationwide race was almost instant through the Twittersphere in which many drivers live.

Here are some of the Tweets and other reactions from the racing world:

From IndyCar driver Dario Franchitti: "(I)t's time @IndyCar @NASCAR other sanctioning bodies & promoters work on an alternative to catch fencing. There has to be a better solution."

From Danica Patrick: "Keeping all the fans in our thoughts and prayers that were involved in today's incident at the track. So scary to watch..."

From Jeff Gordon: "Our thoughts & prayers are with the family & friends of all affected today by the crash. I'm saddened to hear the news of those injured."

From Brian Scott, who finished sixth: "As a racecar driver my greatest fear is the fans getting injured from one of our wrecks. Thoughts and prayers to all fans involved."

From Max Papis: "Racing is dangerous and I pray for all spectators that today were hurt."

From Helio Castroneves: "Dang, what a horrific accident,just saw on tv hope the fans r ok!!"

From Marco Andretti: "Prayers for the fans at Daytona. That was the ugly side of our business."

From race winner Tony Stewart: "I looked in the mirror and that's the worst image I've ever seen in a race in my life."

From Aric Almirola: "Praying for the fans injured today. We appreciate you guys tremendously and you're the reason we have jobs. Sucks when this stuff happens"

From Michael Waltrip: "Just pray. That's what's needed."

From Daytona Speedway president Joie Chitwood III: "First and foremost our thoughts and prayers are with our race fans. Following the incident we responded appropriately according to our safety protocols and had emergency personnel at the incident immediately."

From Eric McClure, who finished eighth: "I hope everybody is okay up there. Certainly, our prayers are with them. You want everybody to come here

and have a good time and be safe."

From Brad Keselowski: "There was obviously a big wreck with a lot of debris and cars torn up. I really hope everyone in the grandstands is OK. I think that's the most important thing right now."